Crystal field effects in normal and superconducting LaAg doped with Tb
- 1 September 1977
- journal article
- Published by IOP Publishing in Journal of Physics F: Metal Physics
- Vol. 7 (9), 1747-1761
- https://doi.org/10.1088/0305-4608/7/9/019
Abstract
Measurements of the magnetic susceptibility and the specific heat have been performed for La1-yTbyAg for Tb concentrations in the per cent range in the nonsuperconducting state. The crystal field (CF) states and the CF splitting of Tb3+ in this compound were derived and agree favourably with those calculated from neutron data on paramagnetic Y0.8Er0.2Ag, PrAg, HoAg and TmAg. The superconducting transition temperatures of La1-yTbyAg compounds were measured and are understood in terms of the theory for superconductors containing impurities with CF split states.Keywords
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